PVDF homopolymers and copolymers are industrially manufactured using two polymerization processes – suspension and emulsion. Syensqo is the only non-Chinese PVDF producer utilizing both polymerization methods. In addition, Syensqo stands out for not using fluorosurfactants in any of the two PVDF polymerization technologies. Because suspension PVDF products are more crystalline, they offer higher mechanical properties and higher melting points. In addition, they offer best performance as binder for NMC cathodes, usually manufactured in solvent-based processes.

The small size of emulsion PVDF particles facilitates rapid powder dispersion in solvent-based processing and allows their use also as water-dispersions that are physically stable even in the absence of mixing (Solef® PVDF latex products). Finally, emulsion PVDF products are also characterized by increased branching and smaller crystallites.

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Solef® PVDF resins lead the industry in purity, quality and consistency. Unlike many other plastics, they do not require the use of stabilizers, plasticizers, lubricants or flame-retardant additives. Thanks to their chemical inertness and to the virtual absence of released contaminants, natural Solef® PVDF resins are used for components in distribution systems of ultra-pure water and other chemically pure fluids used in the semiconductor industry.

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Solef® PVDF resins can be injection, compression and transfer molded, extruded and machined. Items produced from non-reinforced grades of Solef® PVDF can be easily assembled using standard welding methods, such as hot air welding with welding rod, butt welding, heat sealing, ultrasonic, and IR welding.

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High-purity Solef® PVDF grades are based on 100% pure polymers without any added substance and are produced in a dedicated line to prevent any possible cross-contamination. Pipes and equipment made using these materials meet the stringent requirements of the semiconductor industry.